Melt butter in saucepan. Add flour; blend well. Add tomatoes, sugar, rosemary, salt and pepper, stirring constantly, until thickened.

Wipe halibut with damp cloth; place in baking dish with onion slice on top.

Pour half the sauce over the halibut. Bake in 350-degree oven for 40 minutes, basting occasionally with sauce in dish.

Pour remaining sauce around halibut to serve.

Garnish with parsley and olives, if desired.

Digest eat-lf.v097.n198 by Becky Myton <rsmyton@facstaff.wisc.edu> on Aug